package com.c9.config;

import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.web.FilterInvocation;

import java.util.Collection;

public class MyAccessDecisionManager implements  org.springframework.security.access.AccessDecisionManager{
    @Override
    public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes) throws AccessDeniedException, InsufficientAuthenticationException {
        Collection<? extends GrantedAuthority> auths=authentication.getAuthorities();
        for(ConfigAttribute configAttribute:configAttributes){
            if("ROLE_LOGIN".equals(configAttribute.getAttribute())&&authentication instanceof UsernamePasswordAuthenticationToken){
                System.out.println("ROLE_LOGIN"+""+((FilterInvocation)object).getRequestUrl());
                return;
            }
            for(GrantedAuthority grantedAuthority:auths){
                if(grantedAuthority.getAuthority().equals(configAttribute.getAttribute())){
                    System.out.println("you quanxian");
                    return;
                }
            }
        }
        System.out.println("权限不足");
        throw new AccessDeniedException("权限不足");
    }
    @Override
    public boolean supports(ConfigAttribute attribute) {
        return true;
    }

    @Override
    public boolean supports(Class<?> clazz) {
        return true;
    }
}
